What is the difference between decimal and binary number system ?

What is the difference between decimal and binary number system ?
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Decimal number system 1. The number system that uses ten digits from 0 to 9 is called the decimal number system. 2. Since a total of 10 prime numbers are used in this method , the base of the decimal number system is 10. Binary number system 1. The number system in which 0 and 1 are used is called binary number system. 2. Since a total of 2 prime numbers are used in this method , the base of the binary number system is 2.        
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